Pontiac Grand Prix Replacement Fuel Pressure Regulator Information

Controlling vehicle fuel flow according to computer calculations, the Grand Prix Pontiac fuel pressure regulator has little room for error. The Grand Prix Pontiac fuel pressure regulator adjusts engine fuel injector opening and closing intervals. This is essential for injecting fuel at optimal levels. If the engine doesn't get enough fuel it will stall out . If it gets too much fuel, it may flood.

The Grand Prix Pontiac fuel pressure regulator works by using a diaphragm to counteract against pressure from the fuel injectors. This forces injectors open or shut as directed. Separate fuel lines run to and from the fuel pressure regulator to the fuel tank. The Pontiac Grand Prix is a classic mid-size car produced from 1962 to 2008. It's known for a hard working engine aided by parts like the fuel pressure regulator that lasts a long time but must be replaced if damaged.